20551496

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{8951}}^1$

素因数の和:9005

約数の個数: 32

約数和(自身を含む): 45118080

約数和(自身を除く): 24566584

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 82, 164, 287, 328, 574, 1148, 2296, 8951, 17902, 35804, 62657, 71608, 125314, 250628, 366991, 501256, 733982, 1467964, 2568937, 2935928, 5137874, 10275748, 20551496]

約数ペア:

[(1, 20551496), (2, 10275748), (4, 5137874), (7, 2935928), (8, 2568937), (14, 1467964), (28, 733982), (41, 501256), (56, 366991), (82, 250628), (164, 125314), (287, 71608), (328, 62657), (574, 35804), (1148, 17902), (2296, 8951)]